Using the Oscillator pins (OSC) and SWD pins as GPIO on STM32
his post is going to be unusually short. Sometime ago I created a small electronics module where I had to use almost all of the GPIO pins on the STM32F103, except the oscillator pins....
Nuclearrambo Blog
Converting a binary data file into a C array with a python script
Those working on embedded C/C++ would know the importance of converting a binary file into a C array. I deal with raw images and ram dumps on daily basis. For example, I may be...
Running OpenWebRX on IPv6 address
Right back in the year 2011, the last blocks of the IPv4 address space were allocated. There were no new blocks left for any future expansion of the IPv4 address. This happened because more...
Running Petalinux on Zynq SoC from scratch – Zybo board
In a couple of previous articles, we went over a few very basic designs on the Zynq SoC. Those examples used no operating system. They were all what we call “bare metal”. Running bare...
Auto start your GNU Radio script at boot on any Raspberry Pi
This is going to be a small tutorial that will allow you to run your GNU Radio script automatically at system boot. I am using a Raspberry Pi 4, a Pluto SDR and GNU...
Why is uninterruptible power supply so important?
An uninterruptible power supply (also called UPS) is a very complex unit that is used for protecting certain devices from power spikes, power outages, while also offering backup capabilities, a backup battery in our...
Why ‘PPM’ matters in the GHz bands!
No matter what frequency you work on, a term called “ppm” always follows. Whether you deal with the good old HF band or you work at the Gigahertz band, “ppm” defines how accurate your...
PipelineC brings HLS to non-Xilinx FPGAs
Those of you who have used HLS (High level synthesis) would know how powerful the thing is. For those of you having some experience working with hardware description languages would most likely be able...
Reviewing the new NanoVNA v2 (SAA-2) – Part 2
In the part 1, we reviewed the hardware aspects of the NanoVNA v2 SAA 2. Here, we will review the actual functionality of the device. Those familiar with the NanoVNA v1 need no guidance...
Reviewing the new NanoVNA v2 (SAA-2) – Part 1
The first version of NanoVNA became an instant hit for very obvious reasons. First, it was offering stunning performance. Second, a super low price which brought VNA into the hands of those who would...
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